Home / 1,339,777.80-2,009,666.70-808,336.80

Finding the Fourth Proportional to 1,339,777.80, 2,009,666.70 and 808,336.80

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Solution

The fourth proportional to 1,339,777.80, 2,009,666.70 and 808,336.80 is: 1,212,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,777.80 : 2,009,666.70 = 808,336.80 : x
  2. Step 2: Convert to fraction form
    1,339,777.80/2,009,666.70 = 808,336.80/x
  3. Step 3: Cross multiply
    1,339,777.80x = 2,009,666.70 × 808,336.80
  4. Step 4: Simplify right side
    1,339,777.80x = 1,624,487,549,344.56
  5. Step 5: Solve for x
    x = 1,624,487,549,344.56/1,339,777.80
  6. Step 6: Final answer
    x = 1,212,505.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.